| Used Operating Systems |
| 1 | 4199 | 36.66 | 353 | 34.71 | Windows NT |
| 2 | 3615 | 31.56 | 36 | 3.54 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 870 | 7.59 | 31 | 3.05 | http://mj12bot.com/ |
| 4 | 746 | 6.51 | 126 | 12.39 | +http://www.google.com/bot.html |
| 5 | 599 | 5.23 | 139 | 13.67 | +http://www.baidu.com/search/spider.html |
| 6 | 384 | 3.35 | 72 | 7.08 | +http://yandex.com/bots |
| 7 | 298 | 2.60 | 84 | 8.26 | +http://www.bing.com/bingbot.htm |
| 8 | 264 | 2.30 | 70 | 6.88 | +http://www.linkdex.com/bots/ |
| 9 | 107 | 0.93 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 66 | 0.58 | 23 | 2.26 | Windows XP |
| 11 | 65 | 0.57 | 24 | 2.36 | Windows 95 |
| 12 | 48 | 0.42 | 5 | 0.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 31 | 0.27 | 13 | 1.28 | Windows 98 |
| 14 | 20 | 0.17 | 2 | 0.20 | +https://www.dataprovider.com/ |
| 15 | 18 | 0.16 | 2 | 0.20 | +http://OpenLinkProfiler.org/bot |
| 16 | 16 | 0.14 | 0 | 0.00 | +http://www.xovibot.net/ |
| 17 | 14 | 0.12 | 6 | 0.59 | Windows CE |
| 18 | 14 | 0.12 | 6 | 0.59 | Windows ME |
| 19 | 14 | 0.12 | 2 | 0.20 | +http://megaindex.com/crawler |
| 20 | 11 | 0.10 | 4 | 0.39 | Auto; Windows |
| 21 | 11 | 0.10 | 5 | 0.49 | ) - BrowseX (2.0.0 Windows |
| 22 | 10 | 0.09 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 23 | 9 | 0.08 | 5 | 0.49 | Windows 3.1 |
| 24 | 8 | 0.07 | 2 | 0.20 | +http://ahrefs.com/robot/ |
| 25 | 6 | 0.05 | 2 | 0.20 | Windows 2000 |
| 26 | 4 | 0.03 | 2 | 0.20 | +http://duckduckgo.com |
| 27 | 2 | 0.02 | 1 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 28 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 29 | 1 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 30 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 31 | 1 | 0.01 | 1 | 0.10 | +http://www.uptime.com/uptimebot |
| 32 | 1 | 0.01 | 1 | 0.10 | +info@netcraft.com |
